package com.szrt.day20161011;

public class PDemo {
	public static void main(String[] args) {
		
		
		int days = 46;
		int week = days/7;
		int balance = days%7;
		
		double r  = 1.5;
		double mj = r * r * 3.14; 
		
		System.out.println(week);
		System.out.println(balance);
		System.out.println(mj);
		
	}

}
